Network Lookup
Lookup
Guides
▾
Email Security
DNS & Domains
IP & Network
Privacy & Detection
Web Security
Developer Tools
Tools
▾
Email
SPF Checker
DKIM Lookup
DMARC Checker
Email Header Analyzer
IP Blacklist Check
SPF Generator
DMARC Generator
View all email tools →
DNS & Domains
Domain Health
DNS Records
DNS Propagation
DNSSEC Validator
CAA Record Lookup
Subdomain Finder
WHOIS
View all DNS tools →
IP & Network
IOC Enrichment
IP Lookup
Bulk IP Lookup
ASN Explorer
MAC Vendor Directory
View all IP & network tools →
Privacy & Detection
VPN & Proxy Check
WebRTC Leak Test
Browser Fingerprint
User Agent
DNS Leak Test
View all privacy tools →
Web Security
SSL Inspector
HTTP Headers
HSTS Preload
CSP Analyzer
View all web security tools →
Developer Tools
JWT Decoder
Base64 Encode/Decode
Hash Generator
View all developer tools →
Blog
About
Home
/
MAC Lookup
/
OUI D4:4B:5E
MAC address vendor · IEEE MA-L
D4:4B:5E
Operated by
OUI D4:4B:5E
.
Enrichment file pending for this prefix. Page is live but not yet researched.
[ 02 ] — Related
Keep
digging.
→ MAC
Look up a different MAC
Full IEEE MA-L lookup for any MAC address or OUI prefix.